Topological correlations in three-dimensional classical Ising models: An exact solution with a continuous phase transition

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dc.citation.articleNumber013086
dc.citation.issueNumber1
dc.citation.journalTitlePhysical Review Research
dc.citation.volumeNumber5
dc.contributor.authorWang, Zhiyuan
dc.contributor.authorHazzard, Kaden R.A.
dc.contributor.orgRice Center for Quantum Materials
dc.date.accessioned2023-03-10T19:04:10Z
dc.date.available2023-03-10T19:04:10Z
dc.date.issued2023
dc.description.abstractWe study a three-dimensional (3D) classical Ising model that is exactly solvable when some coupling constants take certain imaginary values. The solution combines and generalizes the Onsager-Kaufman solution [L. Onsager, Phys. Rev. 65, 117 (1944); B. Kaufman, Phys. Rev. 76, 1232 (1949)] of the 2D Ising model and the solution of Kitaev's honeycomb model [A. Kitaev, Ann. Phys, 321, 2 (2006)], leading to a three-parameter phase diagram with a third-order phase transition between two distinct phases. Interestingly, the phases of this model are distinguished by topological features: the expectation value of a certain family of loop observables depend only on the topology of the loop (whether the loop is contractible), and are quantized at rational values that differ in the two phases. We show that a related exactly solvable 3D classical statistical model with real coupling constants also shows the topological features of one of these phases. Furthermore, even in the model with complex parameters, the partition function has some physical relevance, as it can be interpreted as the transition amplitude of a quantum dynamical process and may shed light on dynamical quantum phase transitions.
dc.identifier.citationWang, Zhiyuan and Hazzard, Kaden R.A.. "Topological correlations in three-dimensional classical Ising models: An exact solution with a continuous phase transition." <i>Physical Review Research,</i> 5, no. 1 (2023) American Physical Society: https://doi.org/10.1103/PhysRevResearch.5.013086.
dc.identifier.digitalPhysRevResearch-5-013086
dc.identifier.doihttps://doi.org/10.1103/PhysRevResearch.5.013086
dc.identifier.urihttps://hdl.handle.net/1911/114495
dc.language.isoeng
dc.publisherAmerican Physical Society
dc.rightsPublished by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.titleTopological correlations in three-dimensional classical Ising models: An exact solution with a continuous phase transition
dc.typeJournal article
dc.type.dcmiText
dc.type.publicationpublisher version
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